PHOENIX CITY OF Water Quality Report
Population
1,695,000
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 5
violations recorded
C
Fair
Safety Grade
5 violations in the past 5 years, including 2 health-based
System Details
- PWSID
- AZ0407025
- Population Served
- 1,695,000
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Arizona
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Arsenic | ⚠ Monitoring/Reporting | 2 |
| Contaminant 0300 | ✕ Health-Based | 2 |
| Contaminant 1094 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 0200 | ⚠ Monitoring/Reporting | 1 |
Violation History
2025
2
2023
1
2021
2
2018
1
2014
2
Total violations on record: 8
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Reverse Osmosis System
Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates
Removes: Arsenic
Water Distiller
Removes heavy metals, minerals, and most contaminants through evaporation
Removes: Arsenic
How does this compare?
This systemNational average
Grade C
Avg: B-C
8violations total
29% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 254× more people than the national average.